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Finding the Fourth Proportional to 273.01, 412.48 and 270.58

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Solution

The fourth proportional to 273.01, 412.48 and 270.58 is: 408.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.01 : 412.48 = 270.58 : x
  2. Step 2: Convert to fraction form
    273.01/412.48 = 270.58/x
  3. Step 3: Cross multiply
    273.01x = 412.48 × 270.58
  4. Step 4: Simplify right side
    273.01x = 111,608.84
  5. Step 5: Solve for x
    x = 111,608.84/273.01
  6. Step 6: Final answer
    x = 408.81

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.